272 ssize_t mei_cldev_send_vtag(struct mei_cl_device *cldev, const u8 *buf,  in mei_cldev_send_vtag()  argument
275 	struct mei_cl *cl = cldev->cl;  in mei_cldev_send_vtag()
294 ssize_t mei_cldev_recv_vtag(struct mei_cl_device *cldev, u8 *buf, size_t length,  in mei_cldev_recv_vtag()  argument
297 	struct mei_cl *cl = cldev->cl;  in mei_cldev_recv_vtag()
316 ssize_t mei_cldev_recv_nonblock_vtag(struct mei_cl_device *cldev, u8 *buf,  in mei_cldev_recv_nonblock_vtag()  argument
319 	struct mei_cl *cl = cldev->cl;  in mei_cldev_recv_nonblock_vtag()
336 ssize_t mei_cldev_send(struct mei_cl_device *cldev, const u8 *buf, size_t length)  in mei_cldev_send()  argument
338 	return mei_cldev_send_vtag(cldev, buf, length, 0);  in mei_cldev_send()
351 ssize_t mei_cldev_recv(struct mei_cl_device *cldev, u8 *buf, size_t length)  in mei_cldev_recv()  argument
353 	return mei_cldev_recv_vtag(cldev, buf, length, NULL);  in mei_cldev_recv()
367 ssize_t mei_cldev_recv_nonblock(struct mei_cl_device *cldev, u8 *buf,  in mei_cldev_recv_nonblock()  argument
370 	return mei_cldev_recv_nonblock_vtag(cldev, buf, length, NULL);  in mei_cldev_recv_nonblock()
381 	struct mei_cl_device *cldev;  in mei_cl_bus_rx_work()  local
384 	cldev = container_of(work, struct mei_cl_device, rx_work);  in mei_cl_bus_rx_work()
386 	bus = cldev->bus;  in mei_cl_bus_rx_work()
388 	if (cldev->rx_cb)  in mei_cl_bus_rx_work()
389 		cldev->rx_cb(cldev);  in mei_cl_bus_rx_work()
392 	if (mei_cl_is_connected(cldev->cl))  in mei_cl_bus_rx_work()
393 		mei_cl_read_start(cldev->cl, mei_cl_mtu(cldev->cl), NULL);  in mei_cl_bus_rx_work()
404 	struct mei_cl_device *cldev;  in mei_cl_bus_notif_work()  local
406 	cldev = container_of(work, struct mei_cl_device, notif_work);  in mei_cl_bus_notif_work()
408 	if (cldev->notif_cb)  in mei_cl_bus_notif_work()
409 		cldev->notif_cb(cldev);  in mei_cl_bus_notif_work()
422 	struct mei_cl_device *cldev = cl->cldev;  in mei_cl_bus_notify_event()  local
424 	if (!cldev || !cldev->notif_cb)  in mei_cl_bus_notify_event()
430 	schedule_work(&cldev->notif_work);  in mei_cl_bus_notify_event()
447 	struct mei_cl_device *cldev = cl->cldev;  in mei_cl_bus_rx_event()  local
449 	if (!cldev || !cldev->rx_cb)  in mei_cl_bus_rx_event()
452 	schedule_work(&cldev->rx_work);  in mei_cl_bus_rx_event()
467 int mei_cldev_register_rx_cb(struct mei_cl_device *cldev, mei_cldev_cb_t rx_cb)  in mei_cldev_register_rx_cb()  argument
469 	struct mei_device *bus = cldev->bus;  in mei_cldev_register_rx_cb()
474 	if (cldev->rx_cb)  in mei_cldev_register_rx_cb()
477 	cldev->rx_cb = rx_cb;  in mei_cldev_register_rx_cb()
478 	INIT_WORK(&cldev->rx_work, mei_cl_bus_rx_work);  in mei_cldev_register_rx_cb()
481 	if (mei_cl_is_connected(cldev->cl))  in mei_cldev_register_rx_cb()
482 		ret = mei_cl_read_start(cldev->cl, mei_cl_mtu(cldev->cl), NULL);  in mei_cldev_register_rx_cb()
487 		cancel_work_sync(&cldev->rx_work);  in mei_cldev_register_rx_cb()
488 		cldev->rx_cb = NULL;  in mei_cldev_register_rx_cb()
506 int mei_cldev_register_notif_cb(struct mei_cl_device *cldev,  in mei_cldev_register_notif_cb()  argument
509 	struct mei_device *bus = cldev->bus;  in mei_cldev_register_notif_cb()
515 	if (cldev->notif_cb)  in mei_cldev_register_notif_cb()
518 	cldev->notif_cb = notif_cb;  in mei_cldev_register_notif_cb()
519 	INIT_WORK(&cldev->notif_work, mei_cl_bus_notif_work);  in mei_cldev_register_notif_cb()
522 	ret = mei_cl_notify_request(cldev->cl, NULL, 1);  in mei_cldev_register_notif_cb()
525 		cancel_work_sync(&cldev->notif_work);  in mei_cldev_register_notif_cb()
526 		cldev->notif_cb = NULL;  in mei_cldev_register_notif_cb()
541 void *mei_cldev_get_drvdata(const struct mei_cl_device *cldev)  in mei_cldev_get_drvdata()  argument
543 	return dev_get_drvdata(&cldev->dev);  in mei_cldev_get_drvdata()
553 void mei_cldev_set_drvdata(struct mei_cl_device *cldev, void *data)  in mei_cldev_set_drvdata()  argument
555 	dev_set_drvdata(&cldev->dev, data);  in mei_cldev_set_drvdata()
566 const uuid_le *mei_cldev_uuid(const struct mei_cl_device *cldev)  in mei_cldev_uuid()  argument
568 	return mei_me_cl_uuid(cldev->me_cl);  in mei_cldev_uuid()
579 u8 mei_cldev_ver(const struct mei_cl_device *cldev)  in mei_cldev_ver()  argument
581 	return mei_me_cl_ver(cldev->me_cl);  in mei_cldev_ver()
592 bool mei_cldev_enabled(const struct mei_cl_device *cldev)  in mei_cldev_enabled()  argument
594 	return mei_cl_is_connected(cldev->cl);  in mei_cldev_enabled()
606 static bool mei_cl_bus_module_get(struct mei_cl_device *cldev)  in mei_cl_bus_module_get()  argument
608 	return try_module_get(cldev->bus->dev->driver->owner);  in mei_cl_bus_module_get()
616 static void mei_cl_bus_module_put(struct mei_cl_device *cldev)  in mei_cl_bus_module_put()  argument
618 	module_put(cldev->bus->dev->driver->owner);  in mei_cl_bus_module_put()
644 static int mei_cl_bus_vtag_alloc(struct mei_cl_device *cldev)  in mei_cl_bus_vtag_alloc()  argument
646 	struct mei_cl *cl = cldev->cl;  in mei_cl_bus_vtag_alloc()
670 static void mei_cl_bus_vtag_free(struct mei_cl_device *cldev)  in mei_cl_bus_vtag_free()  argument
672 	struct mei_cl *cl = cldev->cl;  in mei_cl_bus_vtag_free()
683 void *mei_cldev_dma_map(struct mei_cl_device *cldev, u8 buffer_id, size_t size)  in mei_cldev_dma_map()  argument
689 	if (!cldev || !buffer_id || !size)  in mei_cldev_dma_map()
693 		dev_err(&cldev->dev, "Map size should be aligned to %lu\n",  in mei_cldev_dma_map()
698 	cl = cldev->cl;  in mei_cldev_dma_map()
699 	bus = cldev->bus;  in mei_cldev_dma_map()
707 		cl->cldev = cldev;  in mei_cldev_dma_map()
721 int mei_cldev_dma_unmap(struct mei_cl_device *cldev)  in mei_cldev_dma_unmap()  argument
727 	if (!cldev)  in mei_cldev_dma_unmap()
730 	cl = cldev->cl;  in mei_cldev_dma_unmap()
731 	bus = cldev->bus;  in mei_cldev_dma_unmap()
751 int mei_cldev_enable(struct mei_cl_device *cldev)  in mei_cldev_enable()  argument
753 	struct mei_device *bus = cldev->bus;  in mei_cldev_enable()
757 	cl = cldev->cl;  in mei_cldev_enable()
765 		cl->cldev = cldev;  in mei_cldev_enable()
773 	if (!mei_me_cl_is_active(cldev->me_cl)) {  in mei_cldev_enable()
774 		dev_err(&cldev->dev, "me client is not active\n");  in mei_cldev_enable()
779 	ret = mei_cl_bus_vtag_alloc(cldev);  in mei_cldev_enable()
783 	ret = mei_cl_connect(cl, cldev->me_cl, NULL);  in mei_cldev_enable()
785 		dev_err(&cldev->dev, "cannot connect\n");  in mei_cldev_enable()
786 		mei_cl_bus_vtag_free(cldev);  in mei_cldev_enable()
805 static void mei_cldev_unregister_callbacks(struct mei_cl_device *cldev)  in mei_cldev_unregister_callbacks()  argument
807 	if (cldev->rx_cb) {  in mei_cldev_unregister_callbacks()
808 		cancel_work_sync(&cldev->rx_work);  in mei_cldev_unregister_callbacks()
809 		cldev->rx_cb = NULL;  in mei_cldev_unregister_callbacks()
812 	if (cldev->notif_cb) {  in mei_cldev_unregister_callbacks()
813 		cancel_work_sync(&cldev->notif_work);  in mei_cldev_unregister_callbacks()
814 		cldev->notif_cb = NULL;  in mei_cldev_unregister_callbacks()
826 int mei_cldev_disable(struct mei_cl_device *cldev)  in mei_cldev_disable()  argument
832 	if (!cldev)  in mei_cldev_disable()
835 	cl = cldev->cl;  in mei_cldev_disable()
837 	bus = cldev->bus;  in mei_cldev_disable()
839 	mei_cldev_unregister_callbacks(cldev);  in mei_cldev_disable()
843 	mei_cl_bus_vtag_free(cldev);  in mei_cldev_disable()
882 ssize_t mei_cldev_send_gsc_command(struct mei_cl_device *cldev,  in mei_cldev_send_gsc_command()  argument
900 	if (!cldev || !sg_in || !sg_out)  in mei_cldev_send_gsc_command()
903 	cl = cldev->cl;  in mei_cldev_send_gsc_command()
904 	bus = cldev->bus;  in mei_cldev_send_gsc_command()
1001 struct mei_cl_device_id *mei_cl_device_find(const struct mei_cl_device *cldev,  in mei_cl_device_find()  argument
1009 	uuid = mei_me_cl_uuid(cldev->me_cl);  in mei_cl_device_find()
1010 	version = mei_me_cl_ver(cldev->me_cl);  in mei_cl_device_find()
1017 			if (cldev->name[0])  in mei_cl_device_find()
1018 				if (strncmp(cldev->name, id->name,  in mei_cl_device_find()
1045 	const struct mei_cl_device *cldev = to_mei_cl_device(dev);  in mei_cl_device_match()  local
1049 	if (!cldev->do_match)  in mei_cl_device_match()
1055 	found_id = mei_cl_device_find(cldev, cldrv);  in mei_cl_device_match()
1071 	struct mei_cl_device *cldev;  in mei_cl_device_probe()  local
1076 	cldev = to_mei_cl_device(dev);  in mei_cl_device_probe()
1082 	id = mei_cl_device_find(cldev, cldrv);  in mei_cl_device_probe()
1086 	if (!mei_cl_bus_module_get(cldev)) {  in mei_cl_device_probe()
1087 		dev_err(&cldev->dev, "get hw module failed");  in mei_cl_device_probe()
1091 	ret = cldrv->probe(cldev, id);  in mei_cl_device_probe()
1093 		mei_cl_bus_module_put(cldev);  in mei_cl_device_probe()
1110 	struct mei_cl_device *cldev = to_mei_cl_device(dev);  in mei_cl_device_remove()  local
1114 		cldrv->remove(cldev);  in mei_cl_device_remove()
1116 	mei_cldev_unregister_callbacks(cldev);  in mei_cl_device_remove()
1118 	mei_cl_bus_module_put(cldev);  in mei_cl_device_remove()
1125 	struct mei_cl_device *cldev = to_mei_cl_device(dev);  in name_show()  local
1127 	return scnprintf(buf, PAGE_SIZE, "%s", cldev->name);  in name_show()
1134 	struct mei_cl_device *cldev = to_mei_cl_device(dev);  in uuid_show()  local
1135 	const uuid_le *uuid = mei_me_cl_uuid(cldev->me_cl);  in uuid_show()
1144 	struct mei_cl_device *cldev = to_mei_cl_device(dev);  in version_show()  local
1145 	u8 version = mei_me_cl_ver(cldev->me_cl);  in version_show()
1154 	struct mei_cl_device *cldev = to_mei_cl_device(dev);  in modalias_show()  local
1155 	const uuid_le *uuid = mei_me_cl_uuid(cldev->me_cl);  in modalias_show()
1156 	u8 version = mei_me_cl_ver(cldev->me_cl);  in modalias_show()
1159 			 cldev->name, uuid, version);  in modalias_show()
1166 	struct mei_cl_device *cldev = to_mei_cl_device(dev);  in max_conn_show()  local
1167 	u8 maxconn = mei_me_cl_max_conn(cldev->me_cl);  in max_conn_show()
1176 	struct mei_cl_device *cldev = to_mei_cl_device(dev);  in fixed_show()  local
1177 	u8 fixed = mei_me_cl_fixed(cldev->me_cl);  in fixed_show()
1186 	struct mei_cl_device *cldev = to_mei_cl_device(dev);  in vtag_show()  local
1187 	bool vt = mei_me_cl_vt(cldev->me_cl);  in vtag_show()
1196 	struct mei_cl_device *cldev = to_mei_cl_device(dev);  in max_len_show()  local
1197 	u32 maxlen = mei_me_cl_max_len(cldev->me_cl);  in max_len_show()
1226 	const struct mei_cl_device *cldev = to_mei_cl_device(dev);  in mei_cl_device_uevent()  local
1227 	const uuid_le *uuid = mei_me_cl_uuid(cldev->me_cl);  in mei_cl_device_uevent()
1228 	u8 version = mei_me_cl_ver(cldev->me_cl);  in mei_cl_device_uevent()
1236 	if (add_uevent_var(env, "MEI_CL_NAME=%s", cldev->name))  in mei_cl_device_uevent()
1240 			   cldev->name, uuid, version))  in mei_cl_device_uevent()
1271 	struct mei_cl_device *cldev = to_mei_cl_device(dev);  in mei_cl_bus_dev_release()  local
1273 	mei_cl_flush_queues(cldev->cl, NULL);  in mei_cl_bus_dev_release()
1274 	mei_me_cl_put(cldev->me_cl);  in mei_cl_bus_dev_release()
1275 	mei_dev_bus_put(cldev->bus);  in mei_cl_bus_dev_release()
1276 	kfree(cldev->cl);  in mei_cl_bus_dev_release()
1277 	kfree(cldev);  in mei_cl_bus_dev_release()
1291 static inline void mei_cl_bus_set_name(struct mei_cl_device *cldev)  in mei_cl_bus_set_name()  argument
1293 	dev_set_name(&cldev->dev, "%s-%pUl",  in mei_cl_bus_set_name()
1294 		     dev_name(cldev->bus->dev),  in mei_cl_bus_set_name()
1295 		     mei_me_cl_uuid(cldev->me_cl));  in mei_cl_bus_set_name()
1309 	struct mei_cl_device *cldev;  in mei_cl_bus_dev_alloc()  local
1312 	cldev = kzalloc(sizeof(*cldev), GFP_KERNEL);  in mei_cl_bus_dev_alloc()
1313 	if (!cldev)  in mei_cl_bus_dev_alloc()
1318 		kfree(cldev);  in mei_cl_bus_dev_alloc()
1322 	device_initialize(&cldev->dev);  in mei_cl_bus_dev_alloc()
1323 	cldev->dev.parent = bus->dev;  in mei_cl_bus_dev_alloc()
1324 	cldev->dev.bus    = &mei_cl_bus_type;  in mei_cl_bus_dev_alloc()
1325 	cldev->dev.type   = &mei_cl_device_type;  in mei_cl_bus_dev_alloc()
1326 	cldev->bus        = mei_dev_bus_get(bus);  in mei_cl_bus_dev_alloc()
1327 	cldev->me_cl      = mei_me_cl_get(me_cl);  in mei_cl_bus_dev_alloc()
1328 	cldev->cl         = cl;  in mei_cl_bus_dev_alloc()
1329 	mei_cl_bus_set_name(cldev);  in mei_cl_bus_dev_alloc()
1330 	cldev->is_added   = 0;  in mei_cl_bus_dev_alloc()
1331 	INIT_LIST_HEAD(&cldev->bus_list);  in mei_cl_bus_dev_alloc()
1332 	device_enable_async_suspend(&cldev->dev);  in mei_cl_bus_dev_alloc()
1334 	return cldev;  in mei_cl_bus_dev_alloc()
1347 				 struct mei_cl_device *cldev)  in mei_cl_bus_dev_setup()  argument
1349 	cldev->do_match = 1;  in mei_cl_bus_dev_setup()
1350 	mei_cl_bus_dev_fixup(cldev);  in mei_cl_bus_dev_setup()
1353 	if (cldev->do_match)  in mei_cl_bus_dev_setup()
1354 		mei_cl_bus_set_name(cldev);  in mei_cl_bus_dev_setup()
1356 	return cldev->do_match == 1;  in mei_cl_bus_dev_setup()
1366 static int mei_cl_bus_dev_add(struct mei_cl_device *cldev)  in mei_cl_bus_dev_add()  argument
1370 	dev_dbg(cldev->bus->dev, "adding %pUL:%02X\n",  in mei_cl_bus_dev_add()
1371 		mei_me_cl_uuid(cldev->me_cl),  in mei_cl_bus_dev_add()
1372 		mei_me_cl_ver(cldev->me_cl));  in mei_cl_bus_dev_add()
1373 	ret = device_add(&cldev->dev);  in mei_cl_bus_dev_add()
1375 		cldev->is_added = 1;  in mei_cl_bus_dev_add()
1385 static void mei_cl_bus_dev_stop(struct mei_cl_device *cldev)  in mei_cl_bus_dev_stop()  argument
1387 	cldev->do_match = 0;  in mei_cl_bus_dev_stop()
1388 	if (cldev->is_added)  in mei_cl_bus_dev_stop()
1389 		device_release_driver(&cldev->dev);  in mei_cl_bus_dev_stop()
1399 static void mei_cl_bus_dev_destroy(struct mei_cl_device *cldev)  in mei_cl_bus_dev_destroy()  argument
1402 	WARN_ON(!mutex_is_locked(&cldev->bus->cl_bus_lock));  in mei_cl_bus_dev_destroy()
1404 	if (!cldev->is_added)  in mei_cl_bus_dev_destroy()
1407 	device_del(&cldev->dev);  in mei_cl_bus_dev_destroy()
1409 	list_del_init(&cldev->bus_list);  in mei_cl_bus_dev_destroy()
1411 	cldev->is_added = 0;  in mei_cl_bus_dev_destroy()
1412 	put_device(&cldev->dev);  in mei_cl_bus_dev_destroy()
1420 static void mei_cl_bus_remove_device(struct mei_cl_device *cldev)  in mei_cl_bus_remove_device()  argument
1422 	mei_cl_bus_dev_stop(cldev);  in mei_cl_bus_remove_device()
1423 	mei_cl_bus_dev_destroy(cldev);  in mei_cl_bus_remove_device()
1433 	struct mei_cl_device *cldev, *next;  in mei_cl_bus_remove_devices()  local
1436 	list_for_each_entry_safe(cldev, next, &bus->device_list, bus_list)  in mei_cl_bus_remove_devices()
1437 		mei_cl_bus_remove_device(cldev);  in mei_cl_bus_remove_devices()
1454 	struct mei_cl_device *cldev;  in mei_cl_bus_dev_init()  local
1463 	cldev = mei_cl_bus_dev_alloc(bus, me_cl);  in mei_cl_bus_dev_init()
1464 	if (!cldev)  in mei_cl_bus_dev_init()
1468 	list_add_tail(&cldev->bus_list, &bus->device_list);  in mei_cl_bus_dev_init()
1480 	struct mei_cl_device *cldev, *n;  in mei_cl_bus_rescan()  local
1490 	list_for_each_entry_safe(cldev, n, &bus->device_list, bus_list) {  in mei_cl_bus_rescan()
1492 		if (!mei_me_cl_is_active(cldev->me_cl)) {  in mei_cl_bus_rescan()
1493 			mei_cl_bus_remove_device(cldev);  in mei_cl_bus_rescan()
1497 		if (cldev->is_added)  in mei_cl_bus_rescan()
1500 		if (mei_cl_bus_dev_setup(bus, cldev))  in mei_cl_bus_rescan()
1501 			mei_cl_bus_dev_add(cldev);  in mei_cl_bus_rescan()
1503 			list_del_init(&cldev->bus_list);  in mei_cl_bus_rescan()
1504 			put_device(&cldev->dev);  in mei_cl_bus_rescan()